In anatomy|lang=en terms the difference between placenta and chorioallantois
is that placenta is (anatomy) a vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation it supplies food and oxygen from the mother to the foetus, and passes back waste it is implanted in the wall of the uterus and links to the foetus through the umbilical cord it is expelled after birth while chorioallantois is (anatomy) the vascular extraembryonic membrane, formed by the fusion of the allantois and the chorion, that makes up the placenta in most mammals; the chorioallantoic membrane.
As nouns the difference between placenta and chorioallantois
is that placenta is (anatomy) a vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation it supplies food and oxygen from the mother to the foetus, and passes back waste it is implanted in the wall of the uterus and links to the foetus through the umbilical cord it is expelled after birth while chorioallantois is (anatomy) the vascular extraembryonic membrane, formed by the fusion of the allantois and the chorion, that makes up the placenta in most mammals; the chorioallantoic membrane.
placenta
Noun
(en-noun)
(anatomy) A vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation. It supplies food and oxygen from the mother to the foetus, and passes back waste. It is implanted in the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth.
(botany) In flowering plants, the part of the ovary where ovules develop; in non-flowering plants where the spores develop.
Synonyms
* afterbirth
Derived terms
* placental
* placentary
chorioallantois
English
Noun
(en-noun)
(anatomy) The vascular extraembryonic membrane, formed by the fusion of the allantois and the chorion, that makes up the placenta in most mammals; the chorioallantoic membrane
